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Get startedBasement Flat is a mid-terrace house in London (SW1X 0JU). It has a recorded floor area of 208 m² (around 2239 sq ft) and construction records dating it to before 1900. The latest certificate (February 2017) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since October 2008. Between certificates, lighting went from Very Poor to Average. The recommended improvements would push it to C (score 77).
At 208 m² the property is well over the postcode median (122 m² across 14 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused.
Basement Flat's carbon output runs well above what efficient homes in the postcode produce.
Forming door opening between bedroom and bathroom to lower ground floor
Basement Flat has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£4,875,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
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On habitable rooms, Basement Flat stands well clear of the street.
EPC Rating
57 (D)
Street avg 65 (D)
Floor Area
208 m²
Street avg 148 m²
CO₂ Emissions
8.8 t/year
Street avg 5.7 t/year
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Pont Street — bus stop.

Daytime· 07:00 – 23:00
58.2dB

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Changes detected from historical EPC data
Single glazing replaced with double or better glazing
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Internal alterations
Median price across the last 5 sales in SW1X 0JU: £3,046,000 (2025–2018).
Second Floor Flat 12 Cadogan Square London
Sold Oct 2025
Flat 4 10 Cadogan Square London
Sold Jul 2022
Third Floor Flat 12 Cadogan Square London
Sold Feb 2022
16a Cadogan Square Kensington And Chelsea London
Sold Jan 2018
14 Cadogan Square Kensington And Chelsea London
Sold Jul 2015
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Plus much more
Comparable sales, transport, crime, schools and more

Habitable Rooms
7 rooms
Street avg 4 rooms
SW1X 0DG
Closest school
0.4 km
St Joseph's Catholic Primary School. 54 schools nearby.
Night-time· 23:00 – 07:00
47.8dB